5 Things You Never Knew About Sun Protection

Last week, I sat down with New York City dermatologist Jeannette Graf, MD, to talk skin -- specifically about how to keep skin from looking like a wrinkly, well-used handbag. Graf had some fascinating things to say about retinols and the effect sleep has on skin, but the presentation took an interesting turn when she talked about sun protection. I consider myself something of an SPF expert, but some of the things she had to say really blew me away.

If you don't change the way you protect yourself from the summer after reading this, we really need to talk.